<span>A Japanese singer releases a song that becomes a hit in Latin American countries.</span>
Answer:
Monroe Doctrine
Explanation:
If your question is set in the 19th century, the it would be about the effects of the Monroe Doctrine in which the U.S. would not allow any European powers to colonize or influence
any Latin American countries and doing so would be shown as an act of aggression towards the United States, dont know if this is the answer your looking for but I hope it helps
